@book {1039,
	title = {Atlas florae Europaeae: distribution of vascular plants in Europe},
	year = {2013},
	publisher = {The Committee for Mapping the Flora of Europe \& Societas Biologica Fennica~{\textellipsis}},
	organization = {The Committee for Mapping the Flora of Europe \& Societas Biologica Fennica~{\textellipsis}},
	isbn = {9519108173},
	author = {Kurtto, Arto and Sennikov, Alexander and Lampinen, Raino}
}
@book {1042,
	title = {Vascular flora of Illinois: a field guide},
	year = {2013},
	publisher = {SIU Press},
	organization = {SIU Press},
	isbn = {0809332094},
	author = {Mohlenbrock, Robert H}
}
@book {811,
	title = {Vascular plants of Greece: an annotated checklist},
	volume = {31},
	year = {2013},
	publisher = {Botanic Garden and Botanical Museum Berlin-Dahlem Berlin},
	organization = {Botanic Garden and Botanical Museum Berlin-Dahlem Berlin},
	author = {Dimopoulos, Panayotis and Raus, Thomas and Bergmeier, Erwin and Constantinidis, Theophanis and Iatrou, Gregoris and Kokkini, Stella and Strid, Arne and Tzanoudakis, Dimitrios}
}
